package com.jornah.net;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;

public class SocketDemo {
    public class SocketServer{
        public  void service() throws Exception {
            // 监听指定的端口
            int port = 55533;
            ServerSocket server = new ServerSocket(port);

            // server将一直等待连接的到来
            System.out.println("server将一直等待连接的到来");
            Socket socket = server.accept();
            // 建立好连接后，从socket中获取输入流，并建立缓冲区进行读取
            InputStream inputStream = socket.getInputStream();
            byte[] bytes = new byte[1024];
            int len;
            StringBuilder sb = new StringBuilder();
            while ((len = inputStream.read(bytes)) != -1) {
                //注意指定编码格式，发送方和接收方一定要统一，建议使用UTF-8
                sb.append(new String(bytes, 0, len,"UTF-8"));
            }
            System.out.println("get message from client: " + sb);
            inputStream.close();
            socket.close();
            server.close();
        }
    }
    public class SocketClient {
        public void request() throws Exception {
            // 要连接的服务端IP地址和端口
            String host = "127.0.0.1";
            int port = 55533;
            // 与服务端建立连接
            Socket socket = new Socket(host, port);
            // 建立连接后获得输出流
            OutputStream outputStream = socket.getOutputStream();
            String message="你好  yiwangzhibujian";
            socket.getOutputStream().write(message.getBytes("UTF-8"));
            outputStream.close();
            socket.close();
        }
    }

}
